.04 is one tenth of what number?
0.04 x 10 = 0.4so it is a tenth of 0.4 :)
0.04 = 1/10 of x'of' translates to multiplication0.04 = 1/10 xMultiply both sides by 100.04 10 = 1/10 10 x0.4 = xx = 0.40.04 is one tenth of 0.4